yep halos nasa 19k-22k ang price range. do take note na kung hindi reputable brand ang psu mo, better invest in it sa future kesa naman masira ibang components mo. 100% sure na may 2nd hand parts diyan. Commonly 2 ram slots ang a320 kaya kung single stick lang nandyan, better add same ram na nandyan or buy 2x8gb with higher frequency. overall makakalaro ka ng esports titles without any problems.
Edit: kung kaya ng budget mo mag isang bagsakan sa bayad, go for it.